./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test14.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test14.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ece3b781ca9ff96a4c645cda94cebcb70795c1b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test14.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ece3b781ca9ff96a4c645cda94cebcb70795c1b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:43,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:43,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:43,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:43,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:43,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:43,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:43,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:43,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:43,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:43,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:43,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:43,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:43,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:43,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:43,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:43,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:43,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:43,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:43,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:43,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:43,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:43,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:43,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:43,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:43,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:43,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:43,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:43,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:43,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:43,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:43,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:43,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:43,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:43,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:43,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:43,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:43,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:43,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:43,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:43,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:43,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:07:43,937 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:43,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:43,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:43,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:43,946 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:43,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:43,947 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:43,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:07:43,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:43,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:43,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:43,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:43,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:43,953 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:43,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:43,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:43,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:43,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:43,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:43,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:43,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:43,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:43,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:43,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:43,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:43,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:43,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:07:43,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:07:43,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:43,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ece3b781ca9ff96a4c645cda94cebcb70795c1b [2019-11-24 21:07:44,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:44,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:44,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:44,571 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:44,572 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:44,573 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test14.c [2019-11-24 21:07:44,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03a46b3c5/4fa60b564a664424b6628ceba5e7cde6/FLAG9afb4c0a3 [2019-11-24 21:07:45,766 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:45,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test14.c [2019-11-24 21:07:45,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03a46b3c5/4fa60b564a664424b6628ceba5e7cde6/FLAG9afb4c0a3 [2019-11-24 21:07:45,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03a46b3c5/4fa60b564a664424b6628ceba5e7cde6 [2019-11-24 21:07:45,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:45,829 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:45,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:45,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:45,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:45,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:45" (1/1) ... [2019-11-24 21:07:45,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197a930a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:45, skipping insertion in model container [2019-11-24 21:07:45,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:45" (1/1) ... [2019-11-24 21:07:45,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:45,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:46,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:46,283 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:46,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:46,331 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:46,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46 WrapperNode [2019-11-24 21:07:46,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:46,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:46,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:46,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:46,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:46,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:46,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:46,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:46,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:46,551 INFO L168 Benchmark]: Toolchain (without parser) took 703.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:46,554 INFO L168 Benchmark]: CDTParser took 3.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:46,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.00 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:46,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:46,566 INFO L168 Benchmark]: Boogie Preprocessor took 51.61 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:46,582 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 500.00 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 144.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 51.61 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:50,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:50,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:50,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:50,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:50,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:50,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:50,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:50,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:50,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:50,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:50,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:50,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:50,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:50,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:50,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:50,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:50,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:50,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:50,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:50,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:50,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:50,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:50,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:50,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:50,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:50,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:50,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:50,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:50,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:50,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:50,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:50,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:50,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:50,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:50,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:50,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:50,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:50,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:50,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:50,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:50,187 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:07:50,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:50,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:50,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:50,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:50,233 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:50,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:50,234 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:50,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:50,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:50,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:50,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:50,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:50,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:50,239 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:07:50,240 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:07:50,240 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:50,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:50,242 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:50,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:50,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:50,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:50,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:50,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:50,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:50,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:50,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:50,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:50,247 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:07:50,247 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:07:50,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:50,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:07:50,250 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ece3b781ca9ff96a4c645cda94cebcb70795c1b [2019-11-24 21:07:50,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:50,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:50,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:50,883 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:50,884 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:50,885 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test14.c [2019-11-24 21:07:51,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20504b762/a4eada73dde846299d397b0d3907c711/FLAG49c58625d [2019-11-24 21:07:52,031 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:52,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test14.c [2019-11-24 21:07:52,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20504b762/a4eada73dde846299d397b0d3907c711/FLAG49c58625d [2019-11-24 21:07:52,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20504b762/a4eada73dde846299d397b0d3907c711 [2019-11-24 21:07:52,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:52,327 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:52,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:52,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:52,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:52,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:52" (1/1) ... [2019-11-24 21:07:52,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ceac6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:52, skipping insertion in model container [2019-11-24 21:07:52,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:52" (1/1) ... [2019-11-24 21:07:52,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:52,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:52,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:52,843 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:52,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:52,891 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:52,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:52 WrapperNode [2019-11-24 21:07:52,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:52,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:52,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:52,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:53,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:52" (1/1) ... [2019-11-24 21:07:53,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:52" (1/1) ... [2019-11-24 21:07:53,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:53,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:53,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:53,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:53,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:52" (1/1) ... [2019-11-24 21:07:53,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:52" (1/1) ... [2019-11-24 21:07:53,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:52" (1/1) ... [2019-11-24 21:07:53,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:52" (1/1) ... [2019-11-24 21:07:53,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:52" (1/1) ... [2019-11-24 21:07:53,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:52" (1/1) ... [2019-11-24 21:07:53,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:52" (1/1) ... [2019-11-24 21:07:53,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:53,174 INFO L168 Benchmark]: Toolchain (without parser) took 845.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:53,183 INFO L168 Benchmark]: CDTParser took 1.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:53,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.86 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:53,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:53,195 INFO L168 Benchmark]: Boogie Preprocessor took 88.32 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:53,205 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 561.86 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 181.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.32 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...